Apply suggestions from code review #40

Job	Run time
lint (3.8)	9s
test (ubuntu-latest, 3.8)	2m 12s
test (ubuntu-latest, 3.9)	1m 42s
test (ubuntu-latest, 3.10)	1m 46s
test (ubuntu-latest, 3.11)	2m 6s
test (ubuntu-latest, 3.12)	2m 10s
test (macos-latest, 3.8)	2m 37s
test (macos-latest, 3.9)	2m 46s
test (macos-latest, 3.10)	1m 16s
test (macos-latest, 3.11)	1m 31s
test (macos-latest, 3.12)	2m 3s
test (windows-latest, 3.8)	3m 26s
test (windows-latest, 3.9)	2m 39s
test (windows-latest, 3.10)	3m 14s
test (windows-latest, 3.11)	3m 11s
test (windows-latest, 3.12)	3m 22s
test (-r requirements-min.txt, 3.8, ubuntu-latest)	4m 29s
Finish Coveralls	9s
	40m 48s

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